Table 1 Properties of the secondary electrons emitted by 50 nm GdNP and GNP when irradiated by 220 kVp X-ray in vacuum
GdNP | GNP | |
|---|---|---|
Number of secondary electrons per incident photon | 0.000011 | 0.0067 |
Average energy of secondary electrons (keV) | 3.69 | 3.29 |
Average range of secondary electrons in water (µm) | 0.45 | 0.37 |